These units replace the magazine base plate and internal floor plate. They will add three rounds to the Glock 26, two rounds to the Glock 27/33 and one round to the Glock 39. They also add 1" additional length for better control and comfort.
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| Compatible With: | Glock 39 |
| Material: | Polymer |
| Style: | Extended |
| Model: | Magazine Extension |
| Color: | Black |